<template>
	<div class="login_container">
		<div class="login_box">
			<!-- 头像区域 -->
			<div class="avatar_box">
				<img src="../assets/logo.png" alt="">
			</div>
			<!-- 登录表单区域 -->
			<el-form ref="login_form_ref" class="login_form" :model="loginForm" :rules="rules">
				<el-form-item prop="username">
					<el-input v-model="loginForm.username" prefix-icon="iconfont icon-yonghu"></el-input>
				</el-form-item>
				<el-form-item prop="password">
					<el-input v-model="loginForm.password" type="password" prefix-icon="iconfont icon-mima"></el-input>
				</el-form-item>
				<!-- 按钮区域 -->
				<el-form-item class="btns">
					<el-button type="primary" @click=login>登录</el-button>
					<el-button type="info" @click="resetForm">重置</el-button>
				</el-form-item>
			</el-form>
		</div>
	</div>
</template>

<script>
	export default {
		data() {
			return {
				// 这是登录表单的数据绑定对象
				loginForm: {
					username: 'admin',
					password: '123456'
				},
				rules: {
					username: [{
							required: true,
							message: '请输入登录名称',
							trigger: 'blur'
						},
						{
							min: 3,
							max: 10,
							message: '长度在 3 到 10 个字符',
							trigger: 'blur'
						}
					],
					password: [{
							required: true,
							message: "请输入登录密码",
							trigger: 'blur'
						},
						{
							min: 6,
							max: 15,
							message: "长度在 6 到 15 个字符",
							trigger: 'blur'
						}
					]
				}

			}
		},
		methods:{
			// 点击重置按钮，重置登录表单
			resetForm:function(){
				this.$refs.login_form_ref.resetFields()
			},
			login:function(){//表单预验证
				this.$refs.login_form_ref.validate(async valid=>{
					// console.log(v)
					if(!valid) return;  //不成功，则跳出当前函数
					const {data:res} =await this.$http.post('login', this.loginForm);
					 //console.log(res)
					//登录状态的弹窗
					if(res.meta.status!==200) return this.$message.error("登录失败");
					this.$message.success("登录成功")
					//登录成功后将token存储在sessionStorage中，并跳转home页面组件
					window.sessionStorage.setItem("token",res.data.token);
					this.$router.push("/home")
					
				})
			}
		}
	}
</script>

<style lang="less" scoped>
	.login_container {
		background-color: #2b4b6b;
		height: 100%;

		.login_box {
			width: 450px;
			height: 300px;
			background-color: #fff;
			border-radius: 3px;
			position: absolute;
			left: 50%;
			top: 50%;
			transform: translate(-50%, -50%);

			.avatar_box {
				height: 130px;
				width: 130px;
				border: 1px solid #eee;
				border-radius: 50%;
				padding: 10px;
				box-shadow: 0 0 10px #ddd;
				position: absolute;
				left: 50%;
				transform: translate(-50%, -50%);
				background-color: #fff;

				img {
					width: 100%;
					height: 100%;
					border-radius: 50%;
					background-color: #eee;
				}
			}
		}
	}


	.login_form {
		position: absolute;
		bottom: 0;
		width: 100%;
		padding: 0 20px;
		box-sizing: border-box;

		.btns {
			display: flex;
			justify-content: flex-end;
		}
	}
</style>
